Sun bed



FIG. 1 is a side elevational view of a sun bed showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a sectional view thereof taken on line 3--3 of FIG. 1;

FIG. 4 is a sectional view thereof taken on line 4--4 of FIG. 1; and

FIG. 5 is a top perspective view thereof. 

The ornamental design for a sun bed, as shown. 